#125E4B
Closest named color: Dark Green Blue (#1F6357). oklch(43.2% 0.078 171.4), rgb(18, 94, 75).
Aa
White text reads best on this color (7.69:1).
About this color
#125E4B is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 43%, its chroma 0.078 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.025 away. White text reads best on it, at 7.69:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #125E4B |
| RGB | rgb(18, 94, 75) |
| HSL | hsl(165, 68%, 22%) |
| OKLCH | oklch(43.2% 0.078 171.4) |
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 #125E4B | 7.69:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #125E4B | 2.72:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #125E4B text on white | 7.69:1 | AAA | Lc 86.4 | Fine for body text |
| #125E4B text on black | 2.72:1 | Fails | Lc -15.7 | Dividers and decoration only |
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 800.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#C9DFD7
oklch(88.5% 0.026 171.9)
-
Step 300
300
#A4CBBD
oklch(81% 0.046 171.3)
-
Step 400
400
#70B09B
oklch(70.8% 0.073 171.4)
-
Step 500
500
#459C82
oklch(63.2% 0.093 170.9)
-
Step 600
600
#1C866C
oklch(55.6% 0.101 171.6)
-
Step 700
700
#07725A
oklch(49.2% 0.094 171.2)
-
Step 800
800 (this color)
#125E4B
oklch(43.2% 0.078 171.4)
-
Step 900
900
#184C3D
oklch(37.7% 0.061 170.6)
-
Step 950
950
#102D24
oklch(27.2% 0.039 170.4)
#125E4B 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) | #5B574A | 0.080 |
| Deuteranopia (no green cones) | #51504C | 0.076 |
| Tritanopia (no blue cones) | #005F59 | 0.022 |
| Achromatopsia (no color) | #535353 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #125E4B
#125E4B
oklch(43.2% 0.078 171.4)
- #703E55
#703E55
oklch(43.2% 0.076 351.7)
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 #125E4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.025
- Spruce #0A5F38 ΔE 0.031
- Pine #2B5D34 ΔE 0.034
- Dark Blue Green #005249 ΔE 0.042
- Deep Teal #00555A ΔE 0.046
- Petrol #005F6A ΔE 0.050
- Dark Aqua #05696B ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.055
Use #125E4B 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.