#91E599
Closest named color: Hospital Green (#9BE5AA). oklch(84.9% 0.133 146.5), rgb(145, 229, 153).
Aa
Black text reads best on this color (13.87:1).
About this color
#91E599 is a light, moderately saturated green. In OKLCH its lightness is 85%, its chroma 0.133 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.026 away. Black text reads best on it, at 13.87:1.
| Hue family | Greens |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 13.87:1 |
| White text | 1.51:1 |
Values
| HEX | #91E599 |
| RGB | rgb(145, 229, 153) |
| HSL | hsl(126, 62%, 73%) |
| OKLCH | oklch(84.9% 0.133 146.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #91E599 | 1.51:1 | Fails | Lc -27.0 | Dividers and decoration only |
| Black text on #91E599 | 13.87:1 | AAA | Lc 79.9 | Fine for body text |
| #91E599 text on white | 1.51:1 | Fails | Lc 23.8 | Dividers and decoration only |
| #91E599 text on black | 13.87:1 | AAA | Lc -79.4 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#ECFAED
oklch(97.1% 0.023 147.5)
-
Step 100
100
#D5F3D7
oklch(93.5% 0.049 147)
-
Step 200
200 (this color)
#91E599
oklch(84.9% 0.133 146.5)
-
Step 300
300
#6CDD7B
oklch(80.8% 0.171 146.5)
-
Step 400
400
#00C143
oklch(70.6% 0.213 146.5)
-
Step 500
500
#00A638
oklch(63.1% 0.19 146.5)
-
Step 600
600
#008C2E
oklch(55.7% 0.168 146.5)
-
Step 700
700
#007525
oklch(49% 0.148 146.5)
-
Step 800
800
#00601D
oklch(42.6% 0.128 146.5)
-
Step 900
900
#005017
oklch(37.6% 0.113 146.6)
-
Step 950
950
#00300A
oklch(26.9% 0.081 146.4)
#91E599 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #E7D794 | 0.106 |
| Deuteranopia (no green cones) | #DBCF9D | 0.104 |
| Tritanopia (no blue cones) | #86E1D1 | 0.078 |
| Achromatopsia (no color) | #D2D2D2 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91E599
#91E599
oklch(84.9% 0.133 146.5)
- #FBAEFB
#FBAEFB
oklch(84.9% 0.133 326.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #91E599, closest first.
No curated palette has a color within ΔE 0.04 of #91E599.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.026
- Light Green #90EE90 ΔE 0.030
- Light Grey Green #B7E1A1 ΔE 0.045
- Seafoam #80F9AD ΔE 0.051
- Seafoam Green #7AF9AB ΔE 0.052
- Light Teal #90E4C1 ΔE 0.053
- Pale Olive Green #B1D27B ΔE 0.056
- Light Blue Green #7EFBB3 ΔE 0.057
Use #91E599 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.