#27B951
Closest named color: Shamrock (#01B44C). oklch(69% 0.187 147.8), rgb(39, 185, 81).
Aa
Black text reads best on this color (8.14:1).
About this color
#27B951 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.187 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.018 away. Black text reads best on it, at 8.14:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 8.14:1 |
| White text | 2.57:1 |
Values
| HEX | #27B951 |
| RGB | rgb(39, 185, 81) |
| HSL | hsl(137, 65%, 44%) |
| OKLCH | oklch(69% 0.187 147.8) |
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 #27B951 | 2.57:1 | Fails | Lc -55.0 | Large or bold text, headings |
| Black text on #27B951 | 8.14:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #27B951 text on white | 2.57:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #27B951 text on black | 8.14:1 | AAA | Lc -52.1 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF9F0
oklch(97.2% 0.016 148.4)
-
Step 100
100
#DCF1DD
oklch(93.7% 0.035 146.6)
-
Step 200
200
#BDE6C1
oklch(88.6% 0.066 147.7)
-
Step 300
300
#8BD695
oklch(81% 0.118 147.7)
-
Step 400
400 (this color)
#27B951
oklch(69% 0.187 147.8)
-
Step 500
500
#00A641
oklch(63.2% 0.184 147.9)
-
Step 600
600
#008B35
oklch(55.5% 0.161 147.8)
-
Step 700
700
#00752B
oklch(49% 0.143 147.8)
-
Step 800
800
#006022
oklch(42.6% 0.124 147.8)
-
Step 900
900
#00501B
oklch(37.6% 0.109 147.8)
-
Step 950
950
#00300D
oklch(27% 0.078 147.8)
#27B951 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) | #BBA847 | 0.148 |
| Deuteranopia (no green cones) | #AB9D59 | 0.146 |
| Tritanopia (no blue cones) | #00B5A2 | 0.109 |
| Achromatopsia (no color) | #A1A1A1 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27B951
#27B951
oklch(69% 0.187 147.8)
- #D76AD5
#D76AD5
oklch(69% 0.188 328.1)
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 #27B951, closest first.
No curated palette has a color within ΔE 0.04 of #27B951.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.018
- Cool Green #33B864 ΔE 0.024
- Leafy Green #51B73B ΔE 0.025
- Shamrock Green #02C14D ΔE 0.025
- Medium Green #39AD48 ΔE 0.033
- Algae Green #21C36F ΔE 0.038
- Dark Mint Green #20C073 ΔE 0.038
- Dark Pastel Green #56AE57 ΔE 0.042
Use #27B951 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.