#91C59E
Closest named color: Dark Sea Green (#8FBC8F). oklch(77.6% 0.078 152), rgb(145, 197, 158).
Aa
Black text reads best on this color (10.68:1).
About this color
#91C59E is a medium-light, moderately saturated green. In OKLCH its lightness is 78%, its chroma 0.078 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sea Green (#8FBC8F), ΔE 0.027 away. Black text reads best on it, at 10.68:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Sea Green (#8FBC8F) |
| Black text | 10.68:1 |
| White text | 1.96:1 |
Values
| HEX | #91C59E |
| RGB | rgb(145, 197, 158) |
| HSL | hsl(135, 31%, 67%) |
| OKLCH | oklch(77.6% 0.078 152) |
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 #91C59E | 1.96:1 | Fails | Lc -42.2 | Non-text elements, placeholder text |
| Black text on #91C59E | 10.68:1 | AAA | Lc 66.1 | Content text, not long reading |
| #91C59E text on white | 1.96:1 | Fails | Lc 37.8 | Non-text elements, placeholder text |
| #91C59E text on black | 10.68:1 | AAA | Lc -64.6 | Content text, not long reading |
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 300.
-
Step 50
50
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#DFEEE3
oklch(93.5% 0.022 154.1)
-
Step 200
200
#C5E2CB
oklch(88.5% 0.044 151.5)
-
Step 300
300 (this color)
#91C59E
oklch(77.6% 0.078 152)
-
Step 400
400
#5EB779
oklch(70.8% 0.125 151.8)
-
Step 500
500
#1AA456
oklch(63.2% 0.16 151.8)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007439
oklch(49% 0.129 152)
-
Step 800
800
#00602E
oklch(42.8% 0.113 152)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#052F15
oklch(26.9% 0.066 151.6)
#91C59E 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) | #C5BC9C | 0.068 |
| Deuteranopia (no green cones) | #BDB7A0 | 0.066 |
| Tritanopia (no blue cones) | #89C3BA | 0.041 |
| Achromatopsia (no color) | #B9B9B9 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C59E
#91C59E
oklch(77.6% 0.078 152)
- #D4A4CC
#D4A4CC
oklch(77.5% 0.077 332.1)
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 #91C59E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sea Green #8FBC8F ΔE 0.027
- Pale Teal #82CBB2 ΔE 0.028
- Seafoam Blue #78D1B6 ΔE 0.040
- Medium Aquamarine #66CDAA ΔE 0.042
- Muted Teal #90B494 ΔE 0.046
- Tiffany Blue #94D2BD ΔE 0.047
- Lichen #8FB67B ΔE 0.052
- Tan Green #A9BE70 ΔE 0.056
Use #91C59E 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.