#125255
Closest named color: Deep Teal (#00555A). oklch(40.2% 0.061 199.7), rgb(18, 82, 85).
Aa
White text reads best on this color (8.88:1).
About this color
#125255 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.061 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.011 away. White text reads best on it, at 8.88:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #125255 |
| RGB | rgb(18, 82, 85) |
| HSL | hsl(183, 65%, 20%) |
| OKLCH | oklch(40.2% 0.061 199.7) |
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 #125255 | 8.88:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #125255 | 2.36:1 | Fails | Lc 13.9 | Not readable |
| #125255 text on white | 8.88:1 | AAA | Lc 90.0 | Preferred for body text |
| #125255 text on black | 2.36:1 | Fails | Lc -12.2 | Not readable |
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 900.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDED
oklch(93.6% 0.014 196.9)
-
Step 200
200
#C7DFE0
oklch(88.6% 0.026 199.8)
-
Step 300
300
#9ECACC
oklch(80.8% 0.046 199.7)
-
Step 400
400
#65AFB2
oklch(70.7% 0.074 199)
-
Step 500
500
#2F9AA0
oklch(63% 0.094 200.5)
-
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
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900 (this color)
#125255
oklch(40.2% 0.061 199.7)
-
Step 950
950
#092C2E
oklch(27% 0.039 200.6)
#125255 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) | #4B4E55 | 0.062 |
| Deuteranopia (no green cones) | #424755 | 0.058 |
| Tritanopia (no blue cones) | #005553 | 0.013 |
| Achromatopsia (no color) | #4A4A4A | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #125255
#125255
oklch(40.2% 0.061 199.7)
- #653A3A
#653A3A
oklch(40.1% 0.061 20.1)
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 #125255, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.011
- Dark Teal #014D4E ΔE 0.021
- Dark Blue Green #005249 ΔE 0.023
- Dark Slate Gray #2F4F4F ΔE 0.024
- Charcoal #264653 ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.046
- Petrol #005F6A ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.058
Use #125255 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.