#63B279
Closest named color: Tea (#65AB7C). oklch(69.8% 0.115 151.4), rgb(99, 178, 121).
Aa
Black text reads best on this color (8.17:1).
About this color
#63B279 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.115 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.022 away. Black text reads best on it, at 8.17:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 8.17:1 |
| White text | 2.56:1 |
Values
| HEX | #63B279 |
| RGB | rgb(99, 178, 121) |
| HSL | hsl(137, 34%, 54%) |
| OKLCH | oklch(69.8% 0.115 151.4) |
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 #63B279 | 2.56:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #63B279 | 8.17:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #63B279 text on white | 2.56:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #63B279 text on black | 8.17:1 | AAA | Lc -51.8 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE3
oklch(93.6% 0.021 152.2)
-
Step 200
200
#C7E1CC
oklch(88.5% 0.04 151.1)
-
Step 300
300
#9FCEAA
oklch(80.8% 0.071 151.7)
-
Step 400
400 (this color)
#63B279
oklch(69.8% 0.115 151.4)
-
Step 500
500
#31A25A
oklch(63.2% 0.147 151.4)
-
Step 600
600
#008B43
oklch(55.7% 0.149 151.3)
-
Step 700
700
#007538
oklch(49.2% 0.131 151.5)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#084F26
oklch(37.6% 0.095 151.6)
-
Step 950
950
#0A2F17
oklch(27.2% 0.061 151.5)
#63B279 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) | #B3A675 | 0.099 |
| Deuteranopia (no green cones) | #A79E7C | 0.097 |
| Tritanopia (no blue cones) | #54B0A3 | 0.061 |
| Achromatopsia (no color) | #A1A1A1 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B279
#63B279
oklch(69.8% 0.115 151.4)
- #C782BE
#C782BE
oklch(69.7% 0.116 331.5)
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 #63B279, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.022
- Faded Green #7BB274 ΔE 0.024
- Boring Green #63B365 ΔE 0.026
- Dusty Green #76A973 ΔE 0.028
- Algae #54AC68 ΔE 0.030
- Dark Seafoam Green #3EAF76 ΔE 0.032
- Medium Sea Green #3CB371 ΔE 0.033
- Dull Green #74A662 ΔE 0.037
Use #63B279 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.