#63A18D
Closest named color: Dull Teal (#5F9E8F). oklch(66.1% 0.071 171.5), rgb(99, 161, 141).
Aa
Black text reads best on this color (7.01:1).
About this color
#63A18D is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.071 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.011 away. Black text reads best on it, at 7.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.01:1 |
| White text | 2.99:1 |
Values
| HEX | #63A18D |
| RGB | rgb(99, 161, 141) |
| HSL | hsl(161, 25%, 51%) |
| OKLCH | oklch(66.1% 0.071 171.5) |
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 #63A18D | 2.99:1 | Fails | Lc -61.9 | Content text, not long reading |
| Black text on #63A18D | 7.01:1 | AAA | Lc 47.5 | Large or bold text, headings |
| #63A18D text on white | 2.99:1 | Fails | Lc 56.5 | Large or bold text, headings |
| #63A18D text on black | 7.01:1 | AAA | Lc -45.3 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDDD7
oklch(88.4% 0.019 171.4)
-
Step 300
300
#ABC8BE
oklch(80.8% 0.034 172.6)
-
Step 400
400
#7DAC9C
oklch(70.6% 0.056 171.6)
-
Step 500
500 (this color)
#63A18D
oklch(66.1% 0.071 171.5)
-
Step 600
600
#3D826E
oklch(55.6% 0.077 172)
-
Step 700
700
#2F6E5C
oklch(49.1% 0.072 171.9)
-
Step 800
800
#285A4B
oklch(42.8% 0.06 171.3)
-
Step 900
900
#264A3E
oklch(37.8% 0.047 170.1)
-
Step 950
950
#172B25
oklch(27% 0.028 173)
#63A18D 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) | #9E9A8C | 0.074 |
| Deuteranopia (no green cones) | #93928E | 0.070 |
| Tritanopia (no blue cones) | #51A29B | 0.024 |
| Achromatopsia (no color) | #959595 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A18D
#63A18D
oklch(66.1% 0.071 171.5)
- #B58197
#B58197
oklch(66.1% 0.07 352.1)
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 #63A18D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.011
- Grey Teal #5E9B8A ΔE 0.019
- Cadet Blue #5F9EA0 ΔE 0.032
- Greeny Grey #7EA07A ΔE 0.036
- Grey Green #86A17D ΔE 0.043
- Tea #65AB7C ΔE 0.044
- Sea #3C9992 ΔE 0.045
- Persian Green #2A9D8F ΔE 0.046
Use #63A18D 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.