#63A978
Closest named color: Tea (#65AB7C). oklch(67.5% 0.102 152.5), rgb(99, 169, 120).
Aa
Black text reads best on this color (7.47:1).
About this color
#63A978 is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.102 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.007 away. Black text reads best on it, at 7.47:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 7.47:1 |
| White text | 2.80:1 |
Values
| HEX | #63A978 |
| RGB | rgb(99, 169, 120) |
| HSL | hsl(138, 29%, 53%) |
| OKLCH | oklch(67.5% 0.102 152.5) |
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 #63A978 | 2.80:1 | Fails | Lc -59.1 | Large or bold text, headings |
| Black text on #63A978 | 7.47:1 | AAA | Lc 50.2 | Large or bold text, headings |
| #63A978 text on white | 2.80:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #63A978 text on black | 7.47:1 | AAA | Lc -48.0 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C9E0CE
oklch(88.5% 0.035 152)
-
Step 300
300
#A2CDAD
oklch(80.9% 0.064 152.7)
-
Step 400
400 (this color)
#63A978
oklch(67.5% 0.102 152.5)
-
Step 500
500
#3FA062
oklch(63.2% 0.13 152.6)
-
Step 600
600
#0C8A48
oklch(55.6% 0.142 152.5)
-
Step 700
700
#00743B
oklch(49% 0.127 152.7)
-
Step 800
800
#055F30
oklch(42.6% 0.108 152.7)
-
Step 900
900
#144E2A
oklch(37.7% 0.085 152.2)
-
Step 950
950
#0E2E19
oklch(27.1% 0.054 152.3)
#63A978 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) | #A99F75 | 0.088 |
| Deuteranopia (no green cones) | #9F977B | 0.088 |
| Tritanopia (no blue cones) | #56A79C | 0.054 |
| Achromatopsia (no color) | #9A9A9A | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A978
#63A978
oklch(67.5% 0.102 152.5)
- #BC7FB2
#BC7FB2
oklch(67.5% 0.101 332.6)
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 #63A978, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.007
- Dusty Green #76A973 ΔE 0.020
- Dull Green #74A662 ΔE 0.028
- Algae #54AC68 ΔE 0.030
- Dark Seafoam Green #3EAF76 ΔE 0.033
- Greeny Grey #7EA07A ΔE 0.039
- Faded Green #7BB274 ΔE 0.040
- Bluey Green #2BB179 ΔE 0.041
Use #63A978 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.