#04AFB6
Closest named color: Turquoise Blue (#06B1C4). oklch(68.5% 0.116 199.9), rgb(4, 175, 182).
Aa
Black text reads best on this color (7.81:1).
About this color
#04AFB6 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.116 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.021 away. Black text reads best on it, at 7.81:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.81:1 |
| White text | 2.68:1 |
Values
| HEX | #04AFB6 |
| RGB | rgb(4, 175, 182) |
| HSL | hsl(182, 96%, 36%) |
| OKLCH | oklch(68.5% 0.116 199.9) |
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 #04AFB6 | 2.68:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #04AFB6 | 7.81:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #04AFB6 text on white | 2.68:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #04AFB6 text on black | 7.81:1 | AAA | Lc -50.3 | 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 400.
-
Step 50
50
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DBEEEF
oklch(93.5% 0.02 200.6)
-
Step 200
200
#BBE2E3
oklch(88.5% 0.041 198.4)
-
Step 300
300
#87CFD3
oklch(80.9% 0.072 200.3)
-
Step 400
400 (this color)
#04AFB6
oklch(68.5% 0.116 199.9)
-
Step 500
500
#009CA3
oklch(63% 0.107 200.4)
-
Step 600
600
#008489
oklch(55.7% 0.095 199.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#04AFB6 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) | #A1A6B7 | 0.119 |
| Deuteranopia (no green cones) | #8C97B7 | 0.110 |
| Tritanopia (no blue cones) | #00B6B1 | 0.024 |
| Achromatopsia (no color) | #9E9E9E | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04AFB6
#04AFB6
oklch(68.5% 0.116 199.9)
- #D87B7C
#D87B7C
oklch(68.5% 0.116 19.8)
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 #04AFB6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.021
- Light Sea Green #20B2AA ΔE 0.023
- Topaz #13BBAF ΔE 0.040
- Greeny Blue #42B395 ΔE 0.055
- Cadet Blue #5F9EA0 ΔE 0.058
- Persian Green #2A9D8F ΔE 0.065
- Dull Teal #5F9E8F ΔE 0.067
- Sea #3C9992 ΔE 0.069
Use #04AFB6 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.