#678301
Closest named color: Swamp Green (#748500). oklch(56.7% 0.139 123.3), rgb(103, 131, 1).
Aa
Black text reads best on this color (4.82:1).
About this color
#678301 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 57%, its chroma 0.139 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp Green (#748500), ΔE 0.020 away. Black text reads best on it, at 4.82:1.
| Hue family | Yellows |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Swamp Green (#748500) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #678301 |
| RGB | rgb(103, 131, 1) |
| HSL | hsl(73, 98%, 26%) |
| OKLCH | oklch(56.7% 0.139 123.3) |
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 #678301 | 4.35:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #678301 | 4.82:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #678301 text on white | 4.35:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #678301 text on black | 4.82:1 | AA | Lc -31.7 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F4F6F0
oklch(97% 0.008 121.6)
-
Step 100
100
#E7ECDF
oklch(93.6% 0.018 124)
-
Step 200
200
#D4DDC4
oklch(88.4% 0.035 123.3)
-
Step 300
300
#B8C89B
oklch(80.9% 0.063 123.7)
-
Step 400
400
#94AB63
oklch(70.6% 0.1 123.4)
-
Step 500
500
#7B9634
oklch(63.2% 0.128 123.2)
-
Step 600
600 (this color)
#678301
oklch(56.7% 0.139 123.3)
-
Step 700
700
#546B00
oklch(49.1% 0.121 123.1)
-
Step 800
800
#445800
oklch(42.8% 0.106 123.5)
-
Step 900
900
#39480D
oklch(37.6% 0.083 123.1)
-
Step 950
950
#212B0A
oklch(27.1% 0.054 124.3)
#678301 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) | #8B7A00 | 0.058 |
| Deuteranopia (no green cones) | #887917 | 0.058 |
| Tritanopia (no blue cones) | #6D7C6F | 0.116 |
| Achromatopsia (no color) | #797979 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678301
#678301
oklch(56.7% 0.139 123.3)
- #885FB9
#885FB9
oklch(56.8% 0.139 303.3)
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 #678301, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp Green #748500 ΔE 0.020
- Sap Green #5C8B15 ΔE 0.024
- Mossy Green #638B27 ΔE 0.024
- Olive Green #677A04 ΔE 0.027
- Murky Green #6C7A0E ΔE 0.028
- Olive Drab #6B8E23 ΔE 0.033
- Moss Green #658B38 ΔE 0.033
- Swamp #698339 ΔE 0.035
Use #678301 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.