#00A78B
Closest named color: Jade (#1FA774). oklch(65% 0.123 175), rgb(0, 167, 139).
Aa
Black text reads best on this color (6.90:1).
About this color
#00A78B is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.123 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.033 away. Black text reads best on it, at 6.90:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Jade (#1FA774) |
| Black text | 6.90:1 |
| White text | 3.04:1 |
Values
| HEX | #00A78B |
| RGB | rgb(0, 167, 139) |
| HSL | hsl(170, 100%, 33%) |
| OKLCH | oklch(65% 0.123 175) |
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 #00A78B | 3.04:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #00A78B | 6.90:1 | AA | Lc 47.5 | Large or bold text, headings |
| #00A78B text on white | 3.04:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #00A78B text on black | 6.90:1 | AA | Lc -45.2 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DFEEE9
oklch(93.7% 0.017 174)
-
Step 200
200
#C3E1D8
oklch(88.5% 0.034 175.5)
-
Step 300
300
#98CEBE
oklch(80.9% 0.06 174.5)
-
Step 400
400
#57B49D
oklch(70.6% 0.096 175)
-
Step 500
500 (this color)
#00A78B
oklch(65% 0.123 175)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#00A78B 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) | #A09B8A | 0.127 |
| Deuteranopia (no green cones) | #8F8E8D | 0.123 |
| Tritanopia (no blue cones) | #00A99F | 0.029 |
| Achromatopsia (no color) | #949494 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A78B
#00A78B
oklch(65% 0.123 175)
- #C96E93
#C96E93
oklch(65.1% 0.122 355.2)
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 #00A78B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.033
- Persian Green #2A9D8F ΔE 0.033
- Blue Green #0F9B8E ΔE 0.038
- Ocean Green #3D9973 ΔE 0.044
- Greeny Blue #42B395 ΔE 0.046
- Bluey Green #2BB179 ΔE 0.046
- Dark Seafoam Green #3EAF76 ΔE 0.047
- Sea #3C9992 ΔE 0.049
Use #00A78B 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.