#5BD199
Closest named color: Emerald (#06D6A0). oklch(77.8% 0.135 160.2), rgb(91, 209, 153).
Aa
Black text reads best on this color (11.02:1).
About this color
#5BD199 is a medium-light, moderately saturated green. In OKLCH its lightness is 78%, its chroma 0.135 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.030 away. Black text reads best on it, at 11.02:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.02:1 |
| White text | 1.90:1 |
Values
| HEX | #5BD199 |
| RGB | rgb(91, 209, 153) |
| HSL | hsl(152, 56%, 59%) |
| OKLCH | oklch(77.8% 0.135 160.2) |
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 #5BD199 | 1.90:1 | Fails | Lc -40.3 | Non-text elements, placeholder text |
| Black text on #5BD199 | 11.02:1 | AAA | Lc 67.9 | Content text, not long reading |
| #5BD199 text on white | 1.90:1 | Fails | Lc 36.0 | Non-text elements, placeholder text |
| #5BD199 text on black | 11.02:1 | AAA | Lc -66.5 | 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
#ECF9F1
oklch(97% 0.017 159.1)
-
Step 100
100
#D5F2E1
oklch(93.5% 0.038 159.9)
-
Step 200
200
#AEE9C8
oklch(88.5% 0.075 159.9)
-
Step 300
300 (this color)
#5BD199
oklch(77.8% 0.135 160.2)
-
Step 400
400
#00BE7E
oklch(70.7% 0.159 160.3)
-
Step 500
500
#00A36B
oklch(63.1% 0.143 160.1)
-
Step 600
600
#008959
oklch(55.6% 0.126 160)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#5BD199 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) | #CFC396 | 0.128 |
| Deuteranopia (no green cones) | #BEB79C | 0.124 |
| Tritanopia (no blue cones) | #2CD0C2 | 0.059 |
| Achromatopsia (no color) | #BCBCBC | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BD199
#5BD199
oklch(77.8% 0.135 160.2)
- #F093D2
#F093D2
oklch(77.8% 0.136 340)
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 #5BD199, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.030
- Medium Aquamarine #66CDAA ΔE 0.031
- Soft Green #6FC276 ΔE 0.049
- Seafoam Blue #78D1B6 ΔE 0.050
- Greenblue #23C48B ΔE 0.052
- Aqua Green #12E193 ΔE 0.053
- Seaweed #18D17B ΔE 0.054
- Pale Teal #82CBB2 ΔE 0.057
Use #5BD199 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.