#27AA51
Closest named color: Medium Green (#39AD48). oklch(65% 0.169 149), rgb(39, 170, 81).
Aa
Black text reads best on this color (6.95:1).
About this color
#27AA51 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.169 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.017 away. Black text reads best on it, at 6.95:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 6.95:1 |
| White text | 3.01:1 |
Values
| HEX | #27AA51 |
| RGB | rgb(39, 170, 81) |
| HSL | hsl(139, 63%, 41%) |
| OKLCH | oklch(65% 0.169 149) |
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 #27AA51 | 3.01:1 | AA large text | Lc -61.8 | Content text, not long reading |
| Black text on #27AA51 | 6.95:1 | AA | Lc 47.6 | Large or bold text, headings |
| #27AA51 text on white | 3.01:1 | AA large text | Lc 56.4 | Large or bold text, headings |
| #27AA51 text on black | 6.95:1 | AA | Lc -45.3 | 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 500.
-
Step 50
50
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#DFEFE1
oklch(93.6% 0.025 149.1)
-
Step 200
200
#C5E2C9
oklch(88.5% 0.046 149.2)
-
Step 300
300
#9BD0A4
oklch(80.9% 0.083 149.4)
-
Step 400
400
#5FB772
oklch(70.7% 0.132 149.1)
-
Step 500
500 (this color)
#27AA51
oklch(65% 0.169 149)
-
Step 600
600
#008B3A
oklch(55.6% 0.157 148.9)
-
Step 700
700
#007530
oklch(49.1% 0.138 149)
-
Step 800
800
#006026
oklch(42.7% 0.12 149)
-
Step 900
900
#00501F
oklch(37.7% 0.106 149.2)
-
Step 950
950
#052F12
oklch(26.9% 0.069 149.3)
#27AA51 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) | #AB9B49 | 0.136 |
| Deuteranopia (no green cones) | #9C9058 | 0.135 |
| Tritanopia (no blue cones) | #00A796 | 0.096 |
| Achromatopsia (no color) | #949494 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27AA51
#27AA51
oklch(65% 0.169 149)
- #C564C1
#C564C1
oklch(65% 0.169 328.9)
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 #27AA51, closest first.
No curated palette has a color within ΔE 0.04 of #27AA51.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.017
- Mid Green #50A747 ΔE 0.024
- Jade Green #2BAF6A ΔE 0.030
- Shamrock #01B44C ΔE 0.032
- Seaweed Green #35AD6B ΔE 0.033
- Dark Pastel Green #56AE57 ΔE 0.035
- Kelly Green #02AB2E ΔE 0.036
- Fern #63A950 ΔE 0.041
Use #27AA51 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.