#63A690
Closest named color: Dull Teal (#5F9E8F). oklch(67.4% 0.076 170.9), rgb(99, 166, 144).
Aa
Black text reads best on this color (7.38:1).
About this color
#63A690 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.076 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.024 away. Black text reads best on it, at 7.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.38:1 |
| White text | 2.84:1 |
Values
| HEX | #63A690 |
| RGB | rgb(99, 166, 144) |
| HSL | hsl(160, 27%, 52%) |
| OKLCH | oklch(67.4% 0.076 170.9) |
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 #63A690 | 2.84:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #63A690 | 7.38:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #63A690 text on white | 2.84:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #63A690 text on black | 7.38:1 | AAA | Lc -47.4 | 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 400.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C9DFD7
oklch(88.5% 0.026 171.9)
-
Step 300
300
#A2CBBC
oklch(80.8% 0.048 170.8)
-
Step 400
400 (this color)
#63A690
oklch(67.4% 0.076 170.9)
-
Step 500
500
#3F9D81
oklch(63.2% 0.099 170.4)
-
Step 600
600
#0D876B
oklch(55.6% 0.106 171)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#065D49
oklch(42.7% 0.081 171.2)
-
Step 900
900
#144C3D
oklch(37.6% 0.063 171.4)
-
Step 950
950
#0E2D24
oklch(27.1% 0.041 171.3)
#63A690 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) | #A29E8F | 0.078 |
| Deuteranopia (no green cones) | #979691 | 0.075 |
| Tritanopia (no blue cones) | #4FA79F | 0.025 |
| Achromatopsia (no color) | #999999 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A690
#63A690
oklch(67.4% 0.076 170.9)
- #BB839C
#BB839C
oklch(67.3% 0.076 350.9)
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 #63A690, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.024
- Grey Teal #5E9B8A ΔE 0.032
- Tea #65AB7C ΔE 0.036
- Greeny Grey #7EA07A ΔE 0.037
- Cadet Blue #5F9EA0 ΔE 0.039
- Greeny Blue #42B395 ΔE 0.041
- Grey Green #86A17D ΔE 0.042
- Dusty Green #76A973 ΔE 0.046
Use #63A690 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.