#63A290
Closest named color: Dull Teal (#5F9E8F). oklch(66.4% 0.071 173.9), rgb(99, 162, 144).
Aa
Black text reads best on this color (7.10:1).
About this color
#63A290 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.071 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.013 away. Black text reads best on it, at 7.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.10:1 |
| White text | 2.95:1 |
Values
| HEX | #63A290 |
| RGB | rgb(99, 162, 144) |
| HSL | hsl(163, 25%, 51%) |
| OKLCH | oklch(66.4% 0.071 173.9) |
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 #63A290 | 2.95:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #63A290 | 7.10:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #63A290 text on white | 2.95:1 | Fails | Lc 56.0 | Large or bold text, headings |
| #63A290 text on black | 7.10:1 | AAA | Lc -45.8 | 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
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CDDDD8
oklch(88.4% 0.018 175.3)
-
Step 300
300
#ABC8BF
oklch(80.9% 0.034 174.7)
-
Step 400
400
#7CAC9E
oklch(70.6% 0.055 174.7)
-
Step 500
500 (this color)
#63A290
oklch(66.4% 0.071 173.9)
-
Step 600
600
#3C8270
oklch(55.6% 0.077 174.2)
-
Step 700
700
#2D6E5D
oklch(49.1% 0.072 173.4)
-
Step 800
800
#275A4C
oklch(42.8% 0.06 172.9)
-
Step 900
900
#254A40
oklch(37.8% 0.046 174.2)
-
Step 950
950
#162B25
oklch(26.9% 0.03 173.8)
#63A290 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) | #9E9B8F | 0.074 |
| Deuteranopia (no green cones) | #939391 | 0.070 |
| Tritanopia (no blue cones) | #4FA39D | 0.023 |
| Achromatopsia (no color) | #969696 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A290
#63A290
oklch(66.4% 0.071 173.9)
- #B78296
#B78296
oklch(66.5% 0.07 354.8)
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 #63A290, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.013
- Grey Teal #5E9B8A ΔE 0.021
- Cadet Blue #5F9EA0 ΔE 0.030
- Greeny Grey #7EA07A ΔE 0.038
- Grey Green #86A17D ΔE 0.044
- Tea #65AB7C ΔE 0.045
- Sea #3C9992 ΔE 0.046
- Persian Green #2A9D8F ΔE 0.047
Use #63A290 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.