#63A489
Closest named color: Dull Teal (#5F9E8F). oklch(66.7% 0.079 165.7), rgb(99, 164, 137).
Aa
Black text reads best on this color (7.20:1).
About this color
#63A489 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.079 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.023 away. Black text reads best on it, at 7.20:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.20:1 |
| White text | 2.91:1 |
Values
| HEX | #63A489 |
| RGB | rgb(99, 164, 137) |
| HSL | hsl(155, 26%, 52%) |
| OKLCH | oklch(66.7% 0.079 165.7) |
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 #63A489 | 2.91:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #63A489 | 7.20:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #63A489 text on white | 2.91:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #63A489 text on black | 7.20:1 | AAA | Lc -46.4 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#AAC9BB
oklch(80.9% 0.039 166.3)
-
Step 400
400
#7CAD98
oklch(70.7% 0.061 166.3)
-
Step 500
500 (this color)
#63A489
oklch(66.7% 0.079 165.7)
-
Step 600
600
#3B8367
oklch(55.6% 0.085 165.4)
-
Step 700
700
#2C6F56
oklch(49.1% 0.08 165.7)
-
Step 800
800
#265A46
oklch(42.6% 0.066 165.6)
-
Step 900
900
#244A3B
oklch(37.6% 0.051 166)
-
Step 950
950
#162C23
oklch(27.1% 0.033 165.9)
#63A489 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) | #A19C88 | 0.078 |
| Deuteranopia (no green cones) | #97948B | 0.076 |
| Tritanopia (no blue cones) | #52A49C | 0.030 |
| Achromatopsia (no color) | #979797 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A489
#63A489
oklch(66.7% 0.079 165.7)
- #B8819F
#B8819F
oklch(66.7% 0.078 345.6)
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 #63A489, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.023
- Grey Teal #5E9B8A ΔE 0.028
- Tea #65AB7C ΔE 0.032
- Greeny Grey #7EA07A ΔE 0.032
- Grey Green #86A17D ΔE 0.040
- Dusty Green #76A973 ΔE 0.041
- Cadet Blue #5F9EA0 ΔE 0.043
- Greeny Blue #42B395 ΔE 0.044
Use #63A489 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.