#63A583
Closest named color: Tea (#65AB7C). oklch(66.8% 0.085 160.4), rgb(99, 165, 131).
Aa
Black text reads best on this color (7.24:1).
About this color
#63A583 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.085 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.023 away. Black text reads best on it, at 7.24:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 7.24:1 |
| White text | 2.90:1 |
Values
| HEX | #63A583 |
| RGB | rgb(99, 165, 131) |
| HSL | hsl(149, 27%, 52%) |
| OKLCH | oklch(66.8% 0.085 160.4) |
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 #63A583 | 2.90:1 | Fails | Lc -60.5 | Content text, not long reading |
| Black text on #63A583 | 7.24:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #63A583 text on white | 2.90:1 | Fails | Lc 55.2 | Large or bold text, headings |
| #63A583 text on black | 7.24:1 | AAA | Lc -46.6 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE7
oklch(93.5% 0.012 162)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#AAC9B8
oklch(80.8% 0.041 161.4)
-
Step 400
400
#7CAE93
oklch(70.8% 0.066 160.5)
-
Step 500
500 (this color)
#63A583
oklch(66.8% 0.085 160.4)
-
Step 600
600
#3A8461
oklch(55.6% 0.093 160.6)
-
Step 700
700
#2C7050
oklch(49.2% 0.087 160.2)
-
Step 800
800
#265B42
oklch(42.7% 0.071 160.7)
-
Step 900
900
#244B38
oklch(37.8% 0.056 160.9)
-
Step 950
950
#162C21
oklch(27.1% 0.035 161)
#63A583 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) | #A39C81 | 0.081 |
| Deuteranopia (no green cones) | #999585 | 0.078 |
| Tritanopia (no blue cones) | #53A59B | 0.036 |
| Achromatopsia (no color) | #989898 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A583
#63A583
oklch(66.8% 0.085 160.4)
- #B880A5
#B880A5
oklch(66.8% 0.085 339.9)
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 #63A583, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.023
- Greeny Grey #7EA07A ΔE 0.030
- Dull Teal #5F9E8F ΔE 0.032
- Dusty Green #76A973 ΔE 0.033
- Grey Teal #5E9B8A ΔE 0.035
- Grey Green #86A17D ΔE 0.039
- Greeny Blue #42B395 ΔE 0.042
- Dull Green #74A662 ΔE 0.046
Use #63A583 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.