#51AA84
Closest named color: Tea (#65AB7C). oklch(67.2% 0.104 163.4), rgb(81, 170, 132).
Aa
Black text reads best on this color (7.43:1).
About this color
#51AA84 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.104 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.020 away. Black text reads best on it, at 7.43:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 7.43:1 |
| White text | 2.82:1 |
Values
| HEX | #51AA84 |
| RGB | rgb(81, 170, 132) |
| HSL | hsl(154, 35%, 49%) |
| OKLCH | oklch(67.2% 0.104 163.4) |
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 #51AA84 | 2.82:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #51AA84 | 7.43:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #51AA84 text on white | 2.82:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #51AA84 text on black | 7.43:1 | AAA | Lc -47.8 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#DFEEE6
oklch(93.6% 0.019 162.9)
-
Step 200
200
#C5E1D2
oklch(88.5% 0.036 162.3)
-
Step 300
300
#9ACEB5
oklch(80.8% 0.065 163.8)
-
Step 400
400 (this color)
#51AA84
oklch(67.2% 0.104 163.4)
-
Step 500
500
#10A273
oklch(63.2% 0.132 163.6)
-
Step 600
600
#00885F
oklch(55.5% 0.119 163.5)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800
#005E41
oklch(42.7% 0.091 163.9)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#032F1F
oklch(27.1% 0.055 163.5)
#51AA84 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) | #A79F82 | 0.101 |
| Deuteranopia (no green cones) | #9A9686 | 0.097 |
| Tritanopia (no blue cones) | #31AA9F | 0.041 |
| Achromatopsia (no color) | #9A9A9A | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51AA84
#51AA84
oklch(67.2% 0.104 163.4)
- #C37CA6
#C37CA6
oklch(67.3% 0.103 343.9)
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 #51AA84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.020
- Greeny Blue #42B395 ΔE 0.029
- Dark Seafoam Green #3EAF76 ΔE 0.032
- Bluey Green #2BB179 ΔE 0.037
- Dusty Green #76A973 ΔE 0.038
- Algae #54AC68 ΔE 0.040
- Jade #1FA774 ΔE 0.040
- Dull Teal #5F9E8F ΔE 0.045
Use #51AA84 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.